forked from Imagelibrary/rtems
160 lines
4.5 KiB
Ada
160 lines
4.5 KiB
Ada
-- SPDX-License-Identifier: BSD-2-Clause
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--
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-- RTEMS / Body
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--
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-- DESCRIPTION:
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--
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-- This package provides the interface to the RTEMS API.
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--
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--
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-- DEPENDENCIES:
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--
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--
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--
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-- COPYRIGHT (c) 1997-2011.
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-- On-Line Applications Research Corporation (OAR).
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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-- 1. Redistributions of source code must retain the above copyright
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-- notice, this list of conditions and the following disclaimer.
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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-- POSSIBILITY OF SUCH DAMAGE.
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--
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package body RTEMS.Clock is
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--
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-- Clock Manager
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--
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procedure Set
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(Time_Buffer : in RTEMS.Time_Of_Day;
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Result : out RTEMS.Status_Codes)
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is
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function Set_Base
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(Time_Buffer : access RTEMS.Time_Of_Day)
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return RTEMS.Status_Codes;
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pragma Import (C, Set_Base, "rtems_clock_set");
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Tmp_Time : aliased RTEMS.Time_Of_Day;
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begin
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Tmp_Time := Time_Buffer;
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Result := Set_Base (Tmp_Time'Access);
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end Set;
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procedure Get_TOD
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(Time : out RTEMS.Time_Of_Day;
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Result : out RTEMS.Status_Codes)
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is
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function Get_TOD_Base
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(Time : access RTEMS.Time_Of_Day)
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return RTEMS.Status_Codes;
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pragma Import (C, Get_TOD_Base, "rtems_clock_get_tod");
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Tmp_Time : aliased RTEMS.Time_Of_Day;
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begin
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Result := Get_TOD_Base (Tmp_Time'Access);
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Time := Tmp_Time;
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end Get_TOD;
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procedure Get_TOD_Time_Value
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(Time : out RTEMS.Time_Value;
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Result : out RTEMS.Status_Codes)
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is
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function Get_TOD_Time_Value_Base
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(Time : access RTEMS.Time_Value)
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return RTEMS.Status_Codes;
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pragma Import
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(C,
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Get_TOD_Time_Value_Base,
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"rtems_clock_get_tod_timeval");
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Tmp_Time : aliased RTEMS.Time_Value;
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begin
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Result := Get_TOD_Time_Value_Base (Tmp_Time'Access);
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Time := Tmp_Time;
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end Get_TOD_Time_Value;
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procedure Get_Seconds_Since_Epoch
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(The_Interval : out RTEMS.Interval;
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Result : out RTEMS.Status_Codes)
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is
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function Get_Seconds_Since_Epoch_Base
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(The_Interval : access RTEMS.Interval)
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return RTEMS.Status_Codes;
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pragma Import
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(C,
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Get_Seconds_Since_Epoch_Base,
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"rtems_clock_get_seconds_since_epoch");
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Tmp_Interval : aliased RTEMS.Interval;
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begin
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Result :=
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Get_Seconds_Since_Epoch_Base (Tmp_Interval'Access);
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The_Interval := Tmp_Interval;
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end Get_Seconds_Since_Epoch;
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-- Get_Ticks_Per_Second is in rtems.ads
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-- Get_Ticks_Since_Boot is in rtems.ads
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procedure Get_Uptime
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(Uptime : out RTEMS.Timespec;
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Result : out RTEMS.Status_Codes)
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is
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function Get_Uptime_Base
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(Uptime : access RTEMS.Timespec)
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return RTEMS.Status_Codes;
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pragma Import (C, Get_Uptime_Base, "rtems_clock_get_uptime");
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Uptime_Base : aliased RTEMS.Timespec;
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begin
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Result := Get_Uptime_Base (Uptime_Base'Access);
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Uptime := Uptime_Base;
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end Get_Uptime;
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procedure Tick (Result : out RTEMS.Status_Codes) is
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function Tick_Base return RTEMS.Status_Codes;
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pragma Import (C, Tick_Base, "rtems_clock_tick");
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begin
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Result := Tick_Base;
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end Tick;
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function Get_Ticks_Since_Boot
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return RTEMS.Interval
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is
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Watchdog_Ticks_since_boot : RTEMS.Interval;
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pragma Import (
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C,
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Watchdog_Ticks_since_boot,
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"_Watchdog_Ticks_since_boot"
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);
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begin
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return Watchdog_Ticks_since_boot;
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end Get_Ticks_Since_Boot;
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end RTEMS.Clock;
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